Question 1

What is the most common lung volume measured during spirometry?

Accepted Answer

A)  Tidal volume 
B)  Vital capacity 
C)  Total lung capacity 
D)  Expiratory reserve volume 
A)  Tidal volume 
B)  Vital capacity 
C)  Total lung capacity 
D)  Expiratory reserve volume

Question 2

What is the ability of a measuring device to consistently provide the same measure of the same quantity?

Accepted Answer

A)  Capacity 
B)  Accuracy 
C)  Linearity 
D)  Precision 
A)  Capacity 
B)  Accuracy 
C)  Linearity 
D)  Precision

Question 3

Which of the following is necessary to assure comprehensive quality for helium dilution and nitrogen washout testing?
1) The accuracy and precision of the volume or flow-measuring device must be assured.
2) The accuracy and linearity of the gas analyzer must be verified.
3) Leak test must be acceptable while monitoring change in volume and gas concentrations over at least a minute.
4) Corrections for hemoglobin (Hb) and COHb must be included.

Accepted Answer

A) 2, 3, and 4 only 
B) 2 and 3 only 
C) 1, 3, and 4 only 
D) 1, 2, and 3 only 
A) 2, 3, and 4 only 
B) 2 and 3 only 
C) 1, 3, and 4 only 
D) 1, 2, and 3 only

Question 4

What do we measure to determine the precision of an instrument?

Accepted Answer

A)  Mean measured reference value 
B)  Difference between the mean measured and actual reference value 
C)  Range of the mean measured reference value 
D)  Standard deviation (S
D)  of the mean measured reference value 
A)  Mean measured reference value 
B)  Difference between the mean measured and actual reference value 
C)  Range of the mean measured reference value 
D)  Standard deviation (S
D)  of the mean measured reference value

Question 5

In both the helium dilution test and nitrogen washout functional residual capacity (FRC) determinations, at what point should the patient normally be connected to the system to begin the test?

Accepted Answer

A)  Resting expiration 
B)  Full forced inspiration 
C)  Resting inspiration 
D)  Full forced expiration 
A)  Resting expiration 
B)  Full forced inspiration 
C)  Resting inspiration 
D)  Full forced expiration

Question 6

What percent of the total lung capacity (TLC) does the residual volume (RV) normally represent?

Accepted Answer

A)  10% 
B)  20% 
C)  30% 
D)  40% 
A)  10% 
B)  20% 
C)  30% 
D)  40%

Question 7

What is the predicted normal FEV1 for the average 20-year-old man?

Accepted Answer

A)  3.3 L 
B)  4.0 L 
C)  4.7 L 
D)  5.2 L 
A)  3.3 L 
B)  4.0 L 
C)  4.7 L 
D)  5.2 L

Question 8

What is the most common measurement of pulmonary mechanics during pulmonary function testing?

Accepted Answer

A)  Tidal volume 
B)  Forced vital capacity 
C)  Residual volume 
D)  Inspiratory reserve volume 
A)  Tidal volume 
B)  Forced vital capacity 
C)  Residual volume 
D)  Inspiratory reserve volume

Question 9

What pulmonary function test presents the highest risk for fainting?

Accepted Answer

A)  Slow vital capacity 
B)  Tidal volume per minute 
C)  Maximum voluntary ventilation 
D)  Total lung capacity 
A)  Slow vital capacity 
B)  Tidal volume per minute 
C)  Maximum voluntary ventilation 
D)  Total lung capacity

Question 10

What is the American Thoracic Society standard for accuracy when measuring flows during pulmonary function testing?

Accepted Answer

A)  90% accuracy or within 0.30 L/sec, whichever is greater 
B)  95% accuracy or within 0.20 L/sec, whichever is greater 
C)  97% accuracy or within 0.10 L/sec, whichever is greater 
D)  99% accuracy or within 0.05 L/sec, whichever is greater 
A)  90% accuracy or within 0.30 L/sec, whichever is greater 
B)  95% accuracy or within 0.20 L/sec, whichever is greater 
C)  97% accuracy or within 0.10 L/sec, whichever is greater 
D)  99% accuracy or within 0.05 L/sec, whichever is greater

Exam 20: Pulmonary Function Testing

What is the most common lung volume measured during spirometry?

What is the ability of a measuring device to consistently provide the same measure of the same quantity?

What do we measure to determine the precision of an instrument?

In both the helium dilution test and nitrogen washout functional residual capacity (FRC) determinations, at what point should the patient normally be connected to the system to begin the test?

What percent of the total lung capacity (TLC) does the residual volume (RV) normally represent?

What is the predicted normal FEV1 for the average 20-year-old man?

What is the most common measurement of pulmonary mechanics during pulmonary function testing?

What pulmonary function test presents the highest risk for fainting?

What is the American Thoracic Society standard for accuracy when measuring flows during pulmonary function testing?

History of Respiratory Care

Delivering Evidence-Based Respiratory Care

Quality, Patient Safety, and Communication, and Recordkeeping

Principles of Infection Prevention and Control

Ethical and Legal Implications of Practice

Physical Principles of Respiratory Care

E-Medicine in Respiratory Care

Fundamentals of Respiratory Care Research

The Respiratory System

The Cardiovascular System

Ventilation

Gas Exchange and Transport

Solutions, Body Fluids, and Electrolytes

Acid-Base Balance

Regulation of Breathing

Bedside Assessment of the Patient

Interpreting Clinical and Laboratory Data

Interpreting the Electrocardiogram

Analysis and Monitoring of Gas Exchange

Review of Thoracic Imaging

Flexible Bronchoscopy and the Respiratory Therapist

Nutrition Assessment

Pulmonary Infections

Obstructive Lung Disease: Chronic Obstructive Pulmonary Disease Copd, Asthma, and Related Diseases

Interstitial Lung Disease

Pleural Diseases

Pulmonary Vascular Disease

Acute Respiratory Distress Syndrome

Trauma, Burns and Near Drowning

Lung Cancer

Neuromuscular and Other Diseases of the Chest Wall

Disorders of Sleep

Neonatal and Pediatric Respiratory Disorders

Airway Pharmacology

Airway Management

Emergency Cardiovascular Life Support

Humidity and Bland Aerosol Therapy

Aerosol Drug Therapy

Storage and Delivery of Medical Gases

Medical Gas Therapy

Lung Expansion Therapy

Airway Clearance Therapy Act

Respiratory Failure and the Need for Ventilatory Support

Mechanical Ventilators

Physiology of Ventilatory Support

Patient Ventilator Interaction

Initiating and Adjusting Invasive Ventilatory Support

Noninvasive Ventilation

Extracorporeal Life Support Ecls

Monitoring the Patient in the Intensive Care Unit

Discontinuing Ventilatory Support

Neonatal and Pediatric Respiratory Care

Patient Education and Health Promotion

Cardiopulmonary Rehabilitation

Respiratory Care in Alternative Settings

Filters

What is the predicted normal FEV₁ for the average 20-year-old man?